Normal Distribution
0.5
1
1.5
2
−0.5
−1
−1.5
−2
0.5
1
1.5
2
2.5
−0.5
0,0
–
o
+
←
↓
↑
→
μ
= 0.00
σ
= 1.00
a
b
P
(
a
⩽
X
⩽
b
)
=
0.30
